Initial release

src/mkdir.c

@@ -0,0 +1,96 @@
+/* mkdir.c */
+
+
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+extern int optind;
+extern char * optarg;
+#include <stdlib.h>
+#include <stdio.h>
+
+
+/* mkdir */
+static int _mkdir_p(mode_t mode, char * pathname);
+static int _mkdir(int flagp, mode_t mode, int argc, char * argv[])
+{
+	int res = 0;
+	int i;
+
+	for(i = 0; i < argc; i++)
+	{
+		if(flagp == 1)
+		{
+			if(_mkdir_p(mode, argv[i]) != 0)
+				res = 2;
+		}
+		if(mkdir(argv[i], mode) == -1)
+		{
+			fprintf(stderr, "%s", "mkdir: ");
+			perror(argv[i]);
+			res = 2;
+		}
+	}
+	return res;
+}
+
+static int _mkdir_p(mode_t mode, char * pathname)
+{
+	char * p;
+	char c;
+
+	for(p = pathname; *p != '\0'; p++)
+	{
+		if(*p != '/')
+			continue;
+		c = *p;
+		*p = '\0';
+		if(mkdir(pathname, mode) == -1)
+		{
+			fprintf(stderr, "%s", "mkdir: ");
+			perror(pathname);
+			return 2;
+		}
+		*p = c;
+	}
+	return 0;
+}
+
+
+/* usage */
+static int _usage(void)
+{
+	fprintf(stderr, "%s", "Usage: mkdir [-p][-m mode] dir...\n\
+  -p    create any missing intermediate pathname components\n\
+  -m    file permission bits of the newly-created directory\n");
+	return 1;
+}
+
+
+/* main */
+int main(int argc, char * argv[])
+{
+	mode_t mode = 0777;
+	int flagp = 0;
+	int o;
+
+	while((o = getopt(argc, argv, "pm:")) != -1)
+	{
+		switch(o)
+		{
+			case 'm':
+				/* FIXME */
+				mode = strtol(optarg, NULL, 8);
+				break;
+			case 'p':
+				flagp = 1;
+				break;
+			case '?':
+				return _usage();
+		}
+	}
+	if(argc == optind)
+		return _usage();
+	return _mkdir(flagp, mode, argc - optind, &argv[optind]);
+}